public void TestRectangleF2DRotationAroundPoint()
{
double delta = 0.00001;
RectangleF2D rectangle = new RectangleF2D(2, 2, 1, 1);
RectangleF2D rotatedRectangle = rectangle.RotateAround(90, new PointF2D(2, 2));
Assert.AreEqual(2, rotatedRectangle.BottomLeft [0], delta);
Assert.AreEqual(2, rotatedRectangle.BottomLeft [1], delta);
Assert.AreEqual(2, rotatedRectangle.BottomRight [0], delta);
Assert.AreEqual(1, rotatedRectangle.BottomRight [1], delta);
Assert.AreEqual(3, rotatedRectangle.TopLeft [0], delta);
Assert.AreEqual(2, rotatedRectangle.TopLeft [1], delta);
Assert.AreEqual(3, rotatedRectangle.TopRight [0], delta);
Assert.AreEqual(1, rotatedRectangle.TopRight [1], delta);
}